@article{grossbeck_ideology_2004,
	title = {Ideology and {Learning} in {Policy} {Diffusion}},
	volume = {32},
	number = {5},
	journal = {american Politics Research},
	author = {Grossbeck, L. J. and Nicholson-Crotty, S. and Peterson, D. M.},
	year = {2004},
	pages = {521--545}
}